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2010013 = 6772969
BaseRepresentation
bin111101010101110011101
310210010012221
413222232131
51003310023
6111025341
723041045
oct7525635
93703187
102010013
111153175
1280b251
13554b75
143a4725
1529a85d
hex1eab9d

2010013 has 4 divisors (see below), whose sum is σ = 2013660. Its totient is φ = 2006368.

The previous prime is 2009999. The next prime is 2010017. The reversal of 2010013 is 3100102.

2010013 = 10022 + 10032.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3100102 = 21550051.

It can be written as a sum of positive squares in 2 ways, for example, as 1006009 + 1004004 = 1003^2 + 1002^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010013 - 25 = 2009981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2009978 and 2010005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808 + ... + 2161.

It is an arithmetic number, because the mean of its divisors is an integer number (503415).

22010013 is an apocalyptic number.

2010013 is the 1003-rd centered square number.

It is an amenable number.

2010013 is a deficient number, since it is larger than the sum of its proper divisors (3647).

2010013 is an equidigital number, since it uses as much as digits as its factorization.

2010013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 2010013 is about 1417.7492726149. The cubic root of 2010013 is about 126.2020148981.

Adding to 2010013 its reverse (3100102), we get a palindrome (5110115).

The spelling of 2010013 in words is "two million, ten thousand, thirteen".

Divisors: 1 677 2969 2010013